# Triangles: Question Preview (ID: 21241)

### Below is a preview of the questions contained within the game titled TRIANGLES: Properties Of Triangles .To play games using this data set, follow the directions below. Good luck and have fun. Enjoy! [print these questions]

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**A triangle with two equal sides.**

a) equilateral triangle

b) right-angled triangle

c) isosceles triangle

d) obtuse-angled triangle

**A triangle with three equal angles.**

a) right-angled triangle

b) obtuse-angled triangle

c) scalene triangle

d) equilateral triangle

**A triangle with three different sides and one of its angles is 120°.**

a) scalene triangle

b) obtuse-angled triangle

c) acute-angled triangle

d) scalene obtuse-angled triangle

**The angle facing the shortest length in a triangle is**

a) an acute angle

b) the smallest angle

c) a right angle

d) an opposite angle

**One of the base angles in an isosceles triangle is 75°, then its exterior angle is**

a) 30°

b) 75°

c) 105°

d) 285°

**A triangle with 3 equal sides.**

a) equilateral triangle

b) isosceles triangle

c) scalene triangle

d) obtuse-angled triangle

**A right-angled triangle has 2 equal sides. Both its base angles will be**

a) 5°

b) 45°

c) 90°

d) 135°

**The vertical angle of an isosceles triangle is 80°. Both its base angles will be**

a) 10°

b) 20°

c) 50°

d) 100°

**The sum of angles in a triangle is**

a) 360°

b) 180°

c) 100°

d) 90°

**A triangle with 3 different angles. All the angles are less than 90°.**

a) a right-angled triangle

b) an obtuse-angled triangle

c) an equilateral triangle

d) an acute-angled triangle

**Can an isosceles triangle be an equilateral triangle?**

a) No

b) Yes

c) Sometimes

d) None of the above

**Can an equilateral triangle have angles that are less than 60°.**

a) Yes

b) No

c) Maybe

d) None of the above

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